DRYLOK Masonry Crack Filler

Seals and waterproofs cracks in concrete and masonry, Fortified with silicone, Dries to the color of concrete, Easy to gun, Excellent adhesion even to damp surfaces, May be painted over immediately with latex paint, Reduces radon gas penetration, Checkflow cartridge avoids excess discharge and waste, Seals and waterproofs cracks in walls, sidewalks, steps, and floors, Replaces cracked mortar joints, Clean up with soap and water. Size: 10.5 fl. oz. Color: Gray.